Power bank



FIG. 1 is a perspective view of a power bank showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a first reference view that shows the power bank in use with a mobile phone attached;

FIG. 9 is a second reference view that shows the power bank in use with another mobile phone attached;

FIG. 10 is a third reference view that shows the power bank in use with a watch attached;

FIG. 11 is a front perspective view that shows the power bank in a stored condition; and,

FIG. 12 is a rear perspective view that shows the power bank in the stored condition.

The claimed design is indicated by the relatively dark portions in the drawings, while the relatively light portions enclosed by broken lines are environmental and form no part of the claimed design.

Shading is used to illustrate the curvature of the part and not color. 

CLAIM The ornamental design for a “power bank,” as shown and described. 